Exam 3 Review Questions Flashcards
Which of the following statements concerning the anatomy of a typical rib is CORRECT?
A. The sternal end of each rib lies at a higher level than the vertebral end.
B. The tubercle of a typical rib articulates with the transverse process of
the vertebra with the same number.
C. Ribs 1-7 are referred to as vertebrochondral ribs.
D. The costal groove contains from superior to inferior: nerve, artery, vein.
E. The head of a typical rib articulates with the demifacets of its own
number vertebra and the vertebra below
The tubercle of a typical rib articulates with the transverse process of the vertebra with the same number
Which of the following structures would be penetrated first by a needle passing through the anterior chest wall just to the left of the sternum? A external intercostal muscle B internal intercostal muscle C transverse thoracis muscle D long thoracic nerve
Internal intercostal muscle
Mammary glands would NOT receive blood from which of the following arteries? A internal thoracic B nearby intercostal arteries C thoracoacromial artery D lateral thoracic artery
Thoracoacromial artery
Which of the following heart sounds is best heard in the second intercostal space along the right side of sternum?
Aortic
The true intrinsic muscles of the back are innervated by dorsal (posterior) rami and are divided into 3 groups. Which of the following groups of true intrinsic back muscles includes the splenius capitis and splenius cercicus? A spinotransversalis B sacrospinalis C erector spinae D transversospinalis
Spinotransversalis
The thoracolumbar fascia is a triangular-shaped sheet of tough connective tissue covering the lower back. It is the partial site of origin of the latissimus dorsi and abdominal oblique muscles. This fascia can be divided into three layer or laminae. Which of the laminae attaches to the lumbar spinous processes? A posterior B middle C anterior D all three layers attach
Posterior
Which of the following muscle groups is part of the intrinsic musculature of the back
A trapezius
B erector spinae group
C latissimus
D serratus posterior group
Erector spinae group
Which of the following muscle groups is lateral to the others listed below?
A longissimus group B interspinales C spinalis group D transversospinalis group E iliocostalis group
Iliocostalis group
Anterior sacral foramina allow the passage of which of the following?
A dorsal rami of sacral spinal nerves
B ventral rami of sacral spinal nerves
C the lower thoracis nerves via the cauda equina
D the upper lumbar nerves via the cauda equina
Ventral rami of sacral spinal nerves
A typical thoracic vertebra includes all of the following components except:
A heart-shaped body
B inferior articular facets
C superior costal demifacets
D transverse foramina
Transverse foramina
The sacral promontory is formed by which of the following structures?
The centrum of S1
Which of the following ligaments extends along the roof of the neural canal A. Anterior longitudinal ligament B. Posterior longitudinal ligament C. Ligamentum flavum D. Supraspinous ligament
Ligamentum flavum
Transverse foramina are characteristic which of the following?
A all cervical
B only the first six cervical
C all cervical vertebrae plus the first thoracic vertebra
D only cervical vertebrae 2-7
All cervical
True statement regarding vertebrae?
A. Transverse processes arise from the vertebra at the intersection of the
lamina and the pedicel.
B. The spinous process of a vertebrae arises from the intersection of the
two pedicels.
C. Mammillary bodies are associated with the anterior articulating
processes of the lower thoracic vertebrae.
D. The articular facets of the typical thoracic vertebrae are organized in a sagittal plane
Transverse processes arise from the vertebra at the intersection of the lamina and the pedicel
How many cervical vertebrae are present in the human vertebral column?
7
An exaggeration of a secondary vertebral column curve is characterized by which of the following? A. Mostly occurs in the thoracic region B. Is referred to as (hyper-)kypophysis C. Mostly occurs in the cervical region D. Is referred to as (hyper-)lordosis
Is referred to as (hyper) lordosis
In the cervical region, which of the following ligaments is referred to as the ligamentum nuchae? A. Anterior longitudinal ligament B. Posterior longitudinal ligament C. Ligamentum flavum D. Supraspinous ligament
Supraspinous ligament
The anterior longitudinal ligament of the vertebral column has which of the following characteristics?
A. It anchors the emerging spinal nerves in place.
B. It limits the direction of nucleus pulposus extrusion during disk
herniation.
C. It narrows anteriorly to the intervertebral disc.
D. It limits flexion.
It limits the direction of nucleus pulposus extrusion during disk herniation
True of denticulate ligaments?
gaments?
A. They are found in the oral cavity and are part of the gomphoses.
B. They attach the serratus anterior to the ribs.
C. They help to stabilize the spinal cord.
D. They extend between the pia mater and the arachnoid layer
Help to stabilize the spinal cord
The spinal cord proper ends at which of the following levels?
L2
How many pairs of cervical spinal nerves are present in the human?
8
Which of the following spaces or membranes around the spinal cord is superficial to all the others listed? A dura mater B pia mater C epidural space D arachnoid layer
Epidural space
Which of the following levels of the spinal cord form the cervical enlargement? A. C1-C5 B. C3-C6 C. C3-T1 D. C5-T2
C3-T1
Lateral horns of the spinal cord are found in which regions?
A. Cervical through upper sacral
B. Lower cervical through the upper lumbar
C. Upper cervical through the lower thoracicc
D. Thoracic through the upper lumbar
Thoracic through the upper lumbar
Cell bodies of the alpha motor neurons originate from which of the following regions of the spina cord? A. Posterior columns B. Lateral columns C. Lateral horns D. Anterior horns
Anterior horns
Which of the following characteristics is NOT characteristic of autonomic preganglionic neurons A always myelinated B originate from ganglia C utilize acetylcholine D synapse in ganglia
Originate from ganglia
The stellate ganglion is formed from which of the following fused ganglia? A. All three cervical plus T1 B. T1 through T5 C. Middle and inferior cervical plus T1 D. Inferior cervical plus T1
Inferior cervical plus T1
Splanchnic nerves are composed of preganglionic fibers and visceral sensory fibers. They supply abdominal viscera. The greater splanchnic nerve synapses in which of the following regions? A. Wall of upper GI tract B. Aorticorenal ganglion C. Celiac ganglion D. Superior mesenteric ganglion
Celiac ganglion
The parasympathetic supply to the thoracic cavity is via which of the following?
A. Paravertebral chain ganglion pairs T1-T5
B. Splanchnic nerves
C. Vagus nerves
D. Stellate ganglion
Vagus nerves
The medial arcuate ligaments of the diaphragm form the lumbocostal arches and anteriorly cross which muscles? A. Latissimus dorsi B. Quadratus lumborum C. Psoas major D. Transversus thoracis
Psoas major
The aortic opening of the diaphragm is located at which vertebral level?
T12
Which of the following structures is/are found in both the superior and the inferior mediastinum? A. Thymus B. Vagus nerves C. Heart D. Trachea E. Phrenic nerves
Thymus
The heart is found in which of the following locations? A. Anterior superior mediastinum B. Middle superior mediastinum C. Anterior inferior mediastinum D. Middle inferior mediastinum E. Posterior inferior mediastinum
Middle inferior mediastinum
Which of the following structures would NOT be found in the superior mediastinum? A. Esophagus B. Azygos vein C. Vagus nerves D. Thymus E. Trachea
Azygos vein
In aspirating material from the right costodiaphragmatic recess, care must be taken to not penetrate which of the following? A. Spleen B. The lower lobe of the right lung C. The middle lobe of the right lung D. The liver E. The right ventricle of the heart
The liver